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    • 2. 发明授权
    • Heat-pump hot water supply apparatus
    • 热泵热水供应装置
    • US07603872B2
    • 2009-10-20
    • US11339790
    • 2006-01-26
    • Taichi TanaamiMasahiko GommoriKazuhiro EndohJunichi TakagiKouichi Fukushima
    • Taichi TanaamiMasahiko GommoriKazuhiro EndohJunichi TakagiKouichi Fukushima
    • F25B27/00
    • F24D19/1054F25B2500/26
    • A heat-pump hot water supply apparatus, for dissolving problems of delaying in heating rise-up time when re-starting, and ill influences upon starting characteristics, due to liquid refrigerant residing in an evaporator when the operation is stepped, within a heat-pump circuit thereof, comprises a heat-pump refrigerant circuit, in which a compressor, a water/refrigerant heat exchanger, a refrigerant adjusting valve, and an evaporator, in series, through refrigerant pipes, a direct hot-water supply circuit, into which is supplied hot water heated, obtained by heating water supplied from an outside via a water pipe by means the water/refrigerant heat exchanger, and a compressor operation controller means for stopping the compressor and also closing the refrigerant adjusting valve when the compressor stops the operation thereof, and for re-starting the compressor after opening the refrigerant adjusting valve when the compressor starts the operation, again, wherein the refrigerant within the evaporator is collected to the compressor side when the operation is stopped, and after stopping, front and back of the evaporator is brought into a sealed condition by means of a refrigerant adjusting valve and a back-flow preventing valve, thereby preventing the refrigerant from residing within the evaporator.
    • 一种热泵热水供给装置,其用于解决在重新起动时延迟加热上升时间的问题,并且由于在操作阶梯状态时驻留在蒸发器中的液体制冷剂在起动特性方面产生不良影响, 其泵电路包括通过制冷剂管,串联的压缩机,水/制冷剂热交换器,制冷剂调节阀和蒸发器的热泵制冷剂回路,直接热水供应回路,其中 供给被加热的热水,其通过水/制冷剂热交换器经由水管从外部供给的水进行加热,以及压缩机运转控制装置,用于在压缩机停止运转时停止压缩机并关闭制冷剂调节阀 并且当压缩机开始操作时打开制冷剂调节阀之后重新启动压缩机,再次,其中t内的制冷剂 当操作停止时,蒸发器被收集到压缩机侧,并且在停止之后,蒸发器的前后通过制冷剂调节阀和防逆流阀进入密封状态,从而防止制冷剂 位于蒸发器内。